Quote:
Originally Posted by andrewwynn
Unstable idle with stslli was the exact symptom that brought me to xoutpost.
It was the intake cam sensor. Every m54 I've worked on eventually did this. No error related to sensor just that symptom. It always would present when driving slow like moving forward one position to turn across traffic or pulling into parking spaces.
If that matches your stall scenario; putt forward 20' put in the clutch and gas off and it stalls.
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I've never experienced stalling in gear, but I'll try creeping around in first at 5 mph and see what happens next time I drive it. I actually replaced the intake cam sensor two summers ago -- after I did the OFHG it turns out I had pinched the cam sensor wire under the housing. It actually lasted a few months IIRC before it wore down the insulation and shorted out. But I bought the only one in town -- got it from napa and it didn't have a name brand. Now that I think about it, my idle problems started a few months after that. Maybe I should put it on my list. Wasn't hard to replace.
Quote:
Originally Posted by Fifty150hs
Smoke test it and you'll know for sure. Another thing to check is the little elbow that feeds into the ICV. It is notorious for developing small cracks that aren't obvious.
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I may just pay a local indie to do that, depending on how bad of a problem it becomes. I did replace the entire rubber intake boot about 4-5 years ago, so that's brand new.